Procurement System Which Automatically Calls for Bids on Predetermined Subjects

1. A computer implemented evaluating system for bidding and purchasing a desired component, the system comprising: a storage configured to store information on each of prices and quantities, and rated values of a plurality of subject components; an input section configured to input a rated value of the desired component; a correlation calculation processor configured to calculate a correlation between each of the prices and the rated values on the plurality of subject components based on the stored information in the storage; a judging base setting processor configured to set a judging base for bidding or purchasing the desired component by subtracting the rated value of the desired component inputted though the input section from the correlation calculated by the correlation calculation processor; a determining processor configured to determine a necessity of bidding for purchasing the desired component; and, a deciding processor configured to decide a bidding or a purchasing order of the desired component based on the necessity of bidding for purchasing the desired component by the determining processor wherein the correlation represents a correlation expression based on a regression data processing.

2. The system according to claim 1 , wherein the quantity is a prospective quantity for purchasing each of the at least one of the subjects.

3. The system according to claim 1 , further comprising an ordering processor configured to automatically order an alternative one of the subjects other than the desired component.

4. The system according to claim 1 , further comprising an ordering processor configured to automatically order, when there are a plurality of biddings for the desired component, from one of the bidding participants who bids at a lowest of the biddings.

5. The system according to claim 1 , wherein the rated values are correctable.

6. The system according to claim 1 , wherein the storage further stores information about receiving an order for a product requiring at least one of the subjects.

7. The system according to claim 1 , wherein the storage further stores information regarding production of a product requiring at least one of the subjects.

8. The system according to claim 1 , wherein the subjects comprise one or more series of subjects.